SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: Tranny Service Nightmare!

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Old 04-30-2019, 01:40 PM
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25C = 77F, so pretty much resting ambient "garage temperature".
Old 04-30-2019, 01:44 PM
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Sorry for your troubles brother, but i can't help and laugh at the thread title. My friend and I just came back from Thailand and ran into some trannies at the club.
Old 04-30-2019, 06:43 PM
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Originally Posted by Rudeney
25C = 77F, so pretty much resting ambient "garage temperature".
YMMV. It is 13C in my garage right now. May hit 17C. To get to 25C I need to wait for a couple of months.
Old 04-30-2019, 06:45 PM
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Originally Posted by Das Geld 2
Sweet, the cold read should give me a good preliminary..in the meanwhile i'll research in STAR where I find the temp reading.
If you find how to read temperature with STAR, please, share the info.
Old 04-30-2019, 10:33 PM
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For the 722.6:

Control Units > Drive > Transmission > Initial Test/Oil Condition Check/Oil Level Check > Actual Values:Oil Level Check

For the 722.9:

Control Units > Drive > Transmission > Actual Values > Oil Level Check
Old 05-01-2019, 10:42 AM
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Originally Posted by FxFormat
Sorry for your troubles brother, but i can't help and laugh at the thread title. My friend and I just came back from Thailand and ran into some trannies at the club.
Hahah!

Originally Posted by Rudeney
For the 722.6:

Control Units > Drive > Transmission > Initial Test/Oil Condition Check/Oil Level Check > Actual Values:Oil Level Check

For the 722.9:

Control Units > Drive > Transmission > Actual Values > Oil Level Check
Awesome! Taking the car to the shop on Sunday. Might play with this and check the level- when I get up to house this Friday
Old 05-01-2019, 04:29 PM
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Update:I just called the shop omfg..he's like there's no way it could be overfilled or underfilled because it would be done within tube(engine bay) and checked thru the dipstick for my 722.6...I'm like you guys filled it thru the pan and the pump !! He's like no way!! I'm like yes way...omfg..I'm like I have the 722.6 not the 9 and he's like yea I know..omg..so they just pretty much admitted it to doing it wrong!! They filled my car doing the 722.9 procedure by accident. I’m at a loss for words.

Sunday can’t come soon enough.

Hopefully no permanent damage can come from this??

Last edited by Das Geld 2; 05-01-2019 at 06:55 PM.
Old 05-01-2019, 10:38 PM
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Good grief! I don't think overfilling the transmission is bad like overfilling an engine. Hopefully it will be fine. These transmission are actually pretty tough.
Old 05-01-2019, 10:52 PM
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They are quite sensitive to fill level in terms of working perfectly but they are hard to actually break.
Old 05-02-2019, 01:19 PM
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Well that's refreshing to hear! I'll check the level this weekend before driving down there this Sunday

But JIC godspeed gentleman, it was a pleasure being part of the M113K and R230 platform
Old 05-04-2019, 12:39 PM
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Black locking tab..not the typical red.. but it’s not budging..


Upadate: it’s just a black locking pin I broke off the tab and am pushing thru with a flat head just like
in diagrams, the lock mechanism is depressed and inside the rectangular block and it’s still not sliding up or out...great

upadate: it’s out, keep pushing till it completely slides out is the trick

Last edited by Das Geld 2; 05-04-2019 at 12:50 PM.
Old 05-04-2019, 01:10 PM
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Did the test 3-4 times put it as deep as I could and maybe a foot of slack left before it wouldn’t go any deeper. Put the car in park and just let the car run for the 25c test.




it didn’t even register on the dipstick last 2 tries...there’s like no fluid here at all..the back of the stick and sides has some not sure how, pictured.
Old 05-04-2019, 01:27 PM
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According to star it was 46c in R and D. 89 in P
Old 05-05-2019, 10:31 AM
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It was low a FULL QUART!!!!

They poured it in and I’m right touching the 80, star said I was at 92C so I still might be low a little, but I had no more fluid.

Went for a test drive and all seems fine again with the shifts. Smooth and crisp. I will report back in a week or two or if I experience anything else.

thank you everyone for the help
The following 2 users liked this post by Das Geld 2:
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Old 09-11-2019, 05:21 PM
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So any updates on this? How's the car now?
Old 09-12-2019, 10:52 AM
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Originally Posted by APowerX
So any updates on this? How's the car now?
Hey, perfect no issues since.

lesson here is go to a good shop and make sure they fill it up correctly
Old 09-13-2019, 09:23 PM
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From what i heard with the 722.6 its best to change the conductor plate, filter and new gasket and O rings when doing a oil change, atleast after 100k miles. Thats what i did on my car, before that it would ack sluggish/slow and got a code for incorrect gear ratio. But I will recommend you to check the trans connector at the bottom, and clean it cause that can also create faults.

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